<svg xmlns="http://www.w3.org/2000/svg">

<defs>

    <filter id="over">
        <feOffset in="SourceGraphic" dx="100" result="red" />
        <feComposite in2="SourceGraphic" in="red" operator="over" />
    </filter>

</defs>

<path d="M 0 0 L 0 50 L 50 0 z" x="300" filter="url(#over)"/>

</svg>
